I the Number of Degrees of Freedom Appropriate for the Chi-Square

question 72

Multiple Choice

i. The number of degrees of freedom appropriate for the chi-square goodness-of-fit test is the number of categories minus 2.
Ii) If there are extremely large differences between observed and expected frequencies the correct decision is to reject H0.
Iii) There are 2 degrees of freedom for a contingency table classifying three levels of income with each gender.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

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Definitions:

Taft-Hartley

Refers to the Taft-Hartley Act, a 1947 federal law that restricts the activities and power of labor unions in the United States.

Wagner Act

A foundational statute in United States labor law that protects the rights of workers to form unions and engage in collective bargaining.

Wagner Act

Also known as the National Labor Relations Act of 1935; a foundational statute of United States labor law which guarantees basic rights of private sector employees to organize into trade unions, engage in collective bargaining, and take collective action such as strikes.

Collective Bargaining

The process by which employers and unions negotiate the terms of employment, including wages, hours, and working conditions.